Effectiveness of different cleaning agents on the adherence ofCandida albicansto acrylic denture base resin

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Abstract

Objective:

To evaluate the ability of three alkaline peroxide-type (Polident, Efferdent, Fittydent) and two mouth rinse cleaning agents (CloSYSII and Corsodyl) to inhibit Candida albicans on acrylic denture base resin.

Background:

Appropriate routine cleaning of dentures is necessary to prevent denture stomatitis and maintenance of healthy supporting tissues.

Materials and methods:

A total of 180 acrylic resin specimens (10 × 10 × 2 mm) were prepared and divided into six groups. Candida albicans was incubated on Sabouraud dextrose agar (SDA) at 37°C for 48 h. After dilution, a final yeast suspension of approximately 106C. albicans per millimetre was prepared. Ten acrylic resin specimens for each group were placed in a sterile Petri dish covered with 20 ml of fungal suspension and incubated at 37°C for 90 min. Then, the specimens were immersed in 40 ml of the test solution at 37°C for 15, 30 and 60 min. Fungal cells adhering to acrylic resin surfaces were fixed in formaldehyde and counted microscopically.

Results:

Mouth rinses showed the highest removal activity for all the treatment times and completely eliminated the adherence of C. albicans.

Conclusions:

The use of mouth rinse may be a suitable method for cleaning dentures.

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